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    <script type="text/javascript">
    /*
     *立即执行函数的衍生测试
     */
     (
         function(a)
         {
             for(a;a<=10;a++)
             {
                 console.log(a);
             }
         }     
     )(2);
     //输出结果：2 3 4 5 6 7 8 9 10
    </script>
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